body{
    background-color: #f5f5f5;
}


.banner{
    position: relative;
    width: auto;
    height: 700px;
    background: url("../img/banner.jpg") no-repeat center;
    background-size: cover;
}
.banner-dot{
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: absolute;
    bottom: 30px;
    left: 50%;
    margin-left: -54px;
    width: 108px;
    height: 14px;
    transition: all .4s ease;
}
.banner-dot .dot-item{
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 3px solid transparent;
    background-color: #fff;
    /* 注意设置 background-clip,让 background 不覆盖到 border */
    background-clip: content-box
}
.banner-dot a{
    display: block;
    width: 11px;
    height: 11px;
}
.banner-dot .dot-item.active{
    background-color: #668aca;
    border-color: #fff;
}
.dot-item:hover{
    background-color: #668aca;
    border-color: #fff;
}
.container{
    background-color: #F5F5F5;
}
.container-c{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
}
.project{
    width: 100%;
    height: 680px;
}
.project-c{
    overflow: hidden;
}
.project-c .title{
    position: relative;
    width: 100%;
    height: 51px;
    margin-top: 106px;
}
.project-c .sub-nav ul{
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 340px;
    height: 25px;
    margin: 0 auto;
    margin-top: 60px;
}
.project-c .sub-item{
    height: 24px;
    width: 34px;
    position: relative;
}
.project-c .sub-item a{
    height: 100%;
    font-size: 14px;
    text-align: center;
    line-height: 25px;
    transition: all .5s ease;
}
.project-c .sub-item a:hover{
    font-size: 16px;
    color: #668aca;
}
.project-c .sub-item.active a{
    font-size: 16px;
    color: #668aca;
}
.project-c .sub-item a:hover+.line{
    opacity: 1;
}
.project-c .sub-item.active .line{
    opacity: 1;
}
.project-c .sub-item .line{
    position: absolute;
    top: 23px;
    left: 0;
    width: 2em;
    height: 1px;
    background-color: #668aca;
    opacity: 0;
    transition: all .5s ease;
}
.project-c .sub-item .sub-line{
    position: absolute;
    left: 65px;
    top: 50%;
    margin-top: -4px;
	width: 1px;
	height: 8px;
	background-color: #b5b5b5;
}
.project-pic{
    width: 100%;
    height: 270px;
    margin-top: 58px;
    cursor: pointer;
}
.project-pic .pic-list{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.pic-item img{
    width: 360px;
    height: 180px;
    border-radius: 5px;
    transition: all .5s ease;
}
.pic-item .text{
    height: 60px;
    margin-top: 30px;
}
.pic-item .text-0{
    font-size: 14px;
    text-indent: 50px;
    color: #767676;
}
.pic-item .text-1{
    font-size: 12px;
    line-height: 30px;
    text-indent: 50px;
    color: #767676;
}
.pic-item:hover img{
    transform: scale(1.05);
}
.produce .title{
    position: relative;
    margin-top: 90px;
    height: 52px;
}
.produce .produce-nav{
    display: flex;
    align-items: flex-start;
    justify-content: space-around;
    width: 100%;
    height: 116px;
    margin-top: 55px;
}
.produce .produce-nav li{
    width: 164px;
    height: 114px;
}
.produce-nav a{
    display: block;
    width: 164px;
    height: 80px;
    text-align: center;
    border-radius: 5px;
}
.produce-nav img{
    height: 66px;
}
.produce-nav .p1 {
    background-color: #F5F5F5;
    transition: all 2s ease;
}
.produce-nav .produce-text{
    position: relative;
    text-align: center;
    font-size: 12px;
    color: #767676;
}
.produce-text p{
    transition: all .5s ease;
}
.produce-nav-item.active .produce-text{
    position: relative;
    text-align: center;
    font-size: 14px;
    color: #668aca;
}
.produce-nav-item.active .p1{
    background-color: #668aca;
}
.produce-nav .produce-line{
    position: absolute;
    bottom: -3px;
    left: 75px;
    width: 1em;
    height: 1px;
    background-color: #668aca;
    opacity: 0;
    transition: all .5s ease;
}
.produce-nav-item.active .produce-line{
    opacity: 1;
}
.produce-nav .produce-nav-item:hover p{
    font-size: 14px;
    color: #668aca;
}
.produce-nav .produce-nav-item:hover .p1{
    background-color: #668aca;
}
.produce-nav .produce-nav-item:hover .produce-line{
    opacity: 1;
}

.produce-list{
    width: 100%;
    height: 800px;
}
.produce-list ul{
    display: flex;
    justify-content: space-between;
}
.produce-list-t{
    margin-top: 30px;
}
.produce-list-d{
    margin-top: 60px;
}
.produce-list img{
    width: 360px;
    height: 320px;
    transition: all .5s ease;
}
.produce-list img:hover{
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    margin-top: -5px;
}
.produce-list p{
    font-size: 14px;
    line-height: 24px;
    color: #767676;
    text-indent: 60px;
}

.container-b-c{
    width: 1200px;
    margin: 0 auto;
    margin-top: 120px;
}
.service .title {
    position: relative;
    width: 100%;
    height: 60px;
}
.service .banner-m{
    margin-top: 60px;
}
.service .banner-m img{
    position: absolute;
    left: 0;
    width: 100%;
    height: 700px;
}

.service .banner-m-box{
    position: absolute;
    top: 3172px;
    width: 1060px;
    height: 158px;
    right: 75px;
}
.service .banner-m-box .b1{
    position: relative;
    float: left;
    width: 250px;
    height: 150px;
    border: solid 1px #767676;
    transition: all 1s ease;
}
.service .b1.active{
    background-color: #668ACA;
}
.service .b1 p{
    display: block;
    text-align: center;
    line-height: 16px;
    font-size: 16px;
    width: 100%;
    height: 16px;
    color: white;
    margin-top: 40px;
}
.service .b1 .mt27{
    margin-top: 27px;
}
.service .box-line{
    position: absolute;
    top: 75px;
    left: 114px;
    width: 30px;
    height: 1px;
    background-color: white;
}
.service .b1:hover{
    background-color: #668ACA;
}
.news{
    height: 670px;
}
.container-b-c .news .title{
    position: relative;
    margin-top: 870px;
    height: 52px;
}

.news .news-list{
    margin-top: 60px;
    width: 100%;
    height: 570px;
}
.news .news-item-0{
    float: left;
    position: relative;
    width: 570px;
    height: 270px;
    overflow: hidden;
}
.news .news-item-0 img{
    width: 570px;
    height: 270px;
    object-fit: cover;
    object-position: center bottom;
}
.news .news-item-1{
    position: relative;
    float: right;
    width: 570px;
    height: 570px;
    overflow: hidden;
}
.news .news-item-1 img{
    width: 570px;
    height: 570px;
    object-fit: cover;
}
.news .news-item-2,
.news .news-item-3{
    position: relative;
    float: left;
    width: 270px;
    height: 270px;
    margin-top: 30px;
    object-fit: cover;
    overflow: hidden;
}
.news .news-item-2 img,
.news .news-item-3 img{
    width: 270px;
    height: 270px;
    object-fit: cover;
}
.news .news-item-3{
    margin-left: 30px;
}
.news .card{
    position: absolute;
    bottom: 0;
    width: 570px;
    height: 90px;
    background-color: #000000;
    transform: translateY(100%);
    opacity: 0.5;
    transition: all .6s ease;
}
.news .card.card-s{
    width: 270px;
}
.news-item-0:hover .card{
    transform: translateY(0);
    color: white;
}
.news-item-1:hover .card{
    transform: translateY(0);
    color: white;
}
.news-item-2:hover .card{
    transform: translateY(0);
    color: white;
}
.news-item-3:hover .card{
    transform: translateY(0);
    color: white;
}
.news .p1{
    height: 32px;
    line-height: 32px;
    font-size: 16px;
    text-indent: 50px;
}
.news .p2{
    display: block;
    height: 24px;
    line-height: 24px;
    font-size: 12px;
    margin-left: 50px;
}

.container-b-c .about{
    margin-top: 120px;
}
.about .title{
    position: relative;
    height: 52px; 
}
.about-img-text {
    margin-top: 60px;
    overflow: hidden;
}
.about-img-text img{
    float: left;
    width: 500px;
    height: 300px;
    object-fit: cover;
}

.about-img-text .text{
    float: left;
    width: 670px;
    height: 300px;
    margin-left: 30px;
    font-size: 0;
}
.about-img-text p{
	height: 60px;
	font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 20px;
    text-align: justify;
    color: #767676;
    margin-top: 30px;
}

